code: def test_visible(self):
      element = Violin([1, 1, 2, 3, 3, 4, 5, 5]).opts(visible=False)
      state = self._get_plot_state(element)
      self.assertEqual(state["data"][0]["visible"], False)
  
file_path: holoviews/holoviews/tests/plotting/plotly/test_violinplot.py
imports: import numpy
  from holoviews.element import Violin
  from .test_plot import TestPlotlyPlot
label_desc: Use image node_id 5 for calling the TestViolinPlot obj's underlying member method code with example usage: obj.test_visible() without return types